In a previous article, 9 Device Fingerprinting Solutions for Developers, I outlined a set of open source and commercial solutions for device fingerprinting. What I didn't dig into in that article...
Hi 👋 – I'm the founder of Castle, a developer-first fraud prevention platform that helps you automatically collect and analyze a user’s location based on location indicators–one of many features...
As the availability of unique IPs and user agents wanes and cookie reliability remains half-baked at best, device fingerprinting has emerged as a serious contender in the battle against online fraud and abuse....
Introduction With the rise of online tracking, proxy and VPN services have become a popular way to protect people's privacy. However, these digital shields also provide an opportunity for bad act...
Castle is a real-time rules engine designed to manage fraud and risk across all touchpoints, including onboarding, login, payment, and content sharing experiences. We're excited to announce a new...
Learn about two layers in user and account defense, and how deploying Castle gives you a single solution that improves security and reduces user friction....
This post covers strategies for adding Castle's layer of bot detection and ATO prevention to your OIDC authentication flow, getting the best of both worlds. This is relevant for apps using an external identity provider, like Okta, Auth0, Amazon Cognito, Google, or Facebook....